Programmer's WorkBench (pwb.hlp) (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
PWB Error
 
     Cannot open PRN
 
     A request was made to print, but PWB cannot access the printer
     port.
 
     The following conditions are possible causes for this error:
 
       ■  The printer is offline.
       ■  The printer is out of paper.
       ■  The printer is not connected to the computer.
       ■  The proper print driver is not installed.
       ■  A print spooler is being used, but the disk is full.
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